P

Inventor

EJIMA NAOKI

JP32 patents
⚠️ This page may combine multiple inventors who share the name “EJIMA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

17 patents
US6449596B1Sep 10, 2002

Wideband audio signal encoding apparatus that divides wide band audio data into a number of sub-bands of numbers of bits for quantization based on noise floor information

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD149 citations98
US6420980B1Jul 16, 2002

Lossless compression encoding method and device, and lossless compression decoding method and device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD123 citations98
US6829360B1Dec 7, 2004

Method and apparatus for expanding band of audio signal

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations94
US7394499B2Jul 1, 2008

Data transmitting method, data receiving method, data transmitting device, and data receiving device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US6904403B1Jun 7, 2005

Audio transmitting apparatus and audio receiving apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US5091899AFeb 25, 1992

Time code recording or reproducing apparatus and time code converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US7356150B2Apr 8, 2008

Method and apparatus for extending band of audio signal using noise signal generator

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations84
US6751177B1Jun 15, 2004

Signal processor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6584443B1Jun 24, 2003

Apparatus and method for audio data/audio-related information transfer

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5045956ASep 3, 1991

Data reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations74
US7230650B2Jun 12, 2007

Data transmission method, data receiving method, video data transmission apparatus and video data receiving apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US7129991B2Oct 31, 2006

Transmission method of digital audio data with video data

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US5159502AOct 27, 1992

Data recording apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations73
US5146448ASep 8, 1992

Time code recording or reproducing apparatus and time code converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US7069224B2Jun 27, 2006

Receiver for receiving audio data and audio-related information

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US5325240AJun 28, 1994

Data compression and expansion apparatus for audio recorders

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7403139B2Jul 22, 2008

Electronic apparatus and control method thereof using sample rate converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations61

PANASONIC CORP

7 patents

EJIMA NAOKI

4 patents

SONY CORP

3 patents

SASAKURA SHUHEI

1 patent